Remove unused trigonometric code.

src/mips/lithium-mips.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 113 matching lines @@
   V(LoadFieldByIndex)                           \
   V(LoadFunctionPrototype)                      \
   V(LoadGlobalCell)                             \
   V(LoadGlobalGeneric)                          \
   V(LoadKeyed)                                  \
   V(LoadKeyedGeneric)                           \
   V(LoadNamedField)                             \
   V(LoadNamedGeneric)                           \
   V(MapEnumLength)                              \
   V(MathAbs)                                    \
-  V(MathCos)                                    \
   V(MathExp)                                    \
   V(MathFloor)                                  \
   V(MathFloorOfDiv)                             \
   V(MathLog)                                    \
   V(MathMinMax)                                 \
   V(MathPowHalf)                                \
   V(MathRound)                                  \
-  V(MathSin)                                    \
   V(MathSqrt)                                   \
-  V(MathTan)                                    \
   V(ModI)                                       \
   V(MulI)                                       \
   V(MultiplyAddD)                               \
   V(NumberTagD)                                 \
   V(NumberTagI)                                 \
   V(NumberTagU)                                 \
   V(NumberUntagD)                               \
   V(OsrEntry)                                   \
   V(OuterContext)                               \
   V(Parameter)                                  \
@@ skipping 649 matching lines @@
   explicit LMathLog(LOperand* value) {
     inputs_[0] = value;
   }
 
   LOperand* value() { return inputs_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
 };
 
 
-class LMathSin V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathSin(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathSin, "math-sin")
-};
-
-
-class LMathCos V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathCos(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathCos, "math-cos")
-};
-
-
-class LMathTan V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMathTan(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathTan, "math-tan")
-};
-
-
 class LMathExp V8_FINAL : public LTemplateInstruction<1, 1, 3> {
  public:
   LMathExp(LOperand* value,
            LOperand* double_temp,
            LOperand* temp1,
            LOperand* temp2) {
     inputs_[0] = value;
     temps_[0] = temp1;
     temps_[1] = temp2;
     temps_[2] = double_temp;
@@ skipping 1885 matching lines @@
 
   LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
 
   static bool HasMagicNumberForDivisor(int32_t divisor);
   static HValue* SimplifiedDivisorForMathFloorOfDiv(HValue* val);
 
   LInstruction* DoMathFloor(HUnaryMathOperation* instr);
   LInstruction* DoMathRound(HUnaryMathOperation* instr);
   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
   LInstruction* DoMathLog(HUnaryMathOperation* instr);
-  LInstruction* DoMathSin(HUnaryMathOperation* instr);
-  LInstruction* DoMathCos(HUnaryMathOperation* instr);
-  LInstruction* DoMathTan(HUnaryMathOperation* instr);
   LInstruction* DoMathExp(HUnaryMathOperation* instr);
   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
 
  private:
   enum Status {
     UNUSED,
     BUILDING,
     DONE,
     ABORTED
@@ skipping 120 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_LITHIUM_MIPS_H_